Feature:1. STAINLESS STEEL: Stainless steel cork borer is made of stainless steel material, strong and durable, not easy to damage, long service life.2. NOTE: Punching must be perpendicular to the level of the plug to avoid skewed holes. Rotate in the same direction, not back and forth.3. USE: Cork rubber stopper borer tool is used for cork or rubber stopper, convenient for experimental gas extraction.4. EASY TO HANDLE: Rubber stopper borer tool is easy to operate, with a long and comfortable handle, very convenient to use.5. SCOPE OF APPLICATION: Cork borer set is very practical, ideal for schools, laboratories, is one of the laboratory fixed accessories.Specification:Item Type: Cork BorerMaterial: Stainless SteelProduct Size: Approx. 11.5x9x3cm / 4.5x3.5x1.2inUse: For Cork or Rubber Stopper Drill, Convenient for Experiments to Take Gas.Package List:2 xCork BorerNote:Manual measurement there is 0.1‑0.2cm error